Calcium for S60 3rd Edition - Using some of the concepts that make ControlFreak so easy to use, the authors removed the need to select on-screen buttons and moved all the operations to the joystick. Doing basic calculations on your phone is now only a couple of clicks away.
So how fast is it? Try this simple example: start the standard calculator and do 2/3 x 7...

EQ Calculator - Replacement for the standard calculator. Convenient for a large number of calculations, because unlike a standard calculator, every button (including stick) performs an operation. Appearance depends entirely on the theme.
Usage:
Call Button - switches between the functions/digits.
Pencil - switches between degrees, radians...

mobihf-Now it is possible to do an electronic structure calculation of small molecules on your mobile phone!
The script is mainly derived from PyQuante and quantumj. It expects input in a .inp file stored in your mobile phone. The format of this file is described with the following example:
2 - Number of atoms
h2 hf sto-3g - Title, level, basis
H 0.0 0.0 0...